OMMATIDIUM


Meaning of OMMATIDIUM in English

ˌ ̷ ̷ ̷ ̷ˈ ̷ ̷ēəm noun

( plural ommatid·ia -ēə)

Etymology: New Latin, from Greek ommat-, omma eye + New Latin -idium

: one of the elements corresponding to a small simple eye or ocellus that make up the compound eye of an arthropod and that typically consist of an external corneal lens beneath which is a crystalline cone and below it a rhabdom which is enclosed in a sensitive retinula protected by pigment

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.